MH-31A8J Short Wave Microphone For Yaesu FT-450D FT-817 FT-857D FT-891 FT-900 - Newegg.com
Yaesu MD-100 Alternative for FT-450D : r/HamRadio
Red-Fire 8-pin Modular Microphone Adapter to RJ-45 for Yaesu FT-450D : Amazon.com.au: Electronics
MH-67A8J Speaker Mic For Vertex Standard VX-2100/2200/4600 Yaesu FT-450D Radios - DaufuskieIsland.com
HF Transceiver Hand Microphone MH-31A8J for Yaesu FT-450D FT-857D FT-897D FT-991A FT-891 FT-818 FT-818ND FT-817ND - AliExpress
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I don't think there is any compression on this radio does anyone that has a Yaesu 450 D know how they adjust the Mic EQ or whatever they need to adjust to
Yaesu 450D standard MH 31 V MD100 base mic. - YouTube
Amazon.com: Hopcd Microphone Adapter Cable, 8Pin to RJ-45 Modular Microphone Adapter for Yaesu FT-450D FT-897D FT-991 FT-891 : Electronics
Amazon.com: V BESTLIFE Microphone Adapter for Yaesu FT-450D FT-897D FT-991 FT-891,8pin to RJ-45 Modular Microphone Adapter : Electronics